Home / 1,805,394.31-2,705,239.19-666,586.96

Finding the Fourth Proportional to 1,805,394.31, 2,705,239.19 and 666,586.96

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Solution

The fourth proportional to 1,805,394.31, 2,705,239.19 and 666,586.96 is: 998,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,394.31 : 2,705,239.19 = 666,586.96 : x
  2. Step 2: Convert to fraction form
    1,805,394.31/2,705,239.19 = 666,586.96/x
  3. Step 3: Cross multiply
    1,805,394.31x = 2,705,239.19 × 666,586.96
  4. Step 4: Simplify right side
    1,805,394.31x = 1,803,277,167,734.96
  5. Step 5: Solve for x
    x = 1,803,277,167,734.96/1,805,394.31
  6. Step 6: Final answer
    x = 998,827.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.